Adds a prerequisite to obtain service principal permissions at the subscription levels as users may run into issues creating config files

Author: stevsmit

modules/installation-initializing.adoc

@@ -168,6 +168,7 @@ ifndef::aws,gcp[]
 * Retrieve a {op-system-first} image and upload it to an accessible location.
 endif::aws,gcp[]
 endif::restricted[]
+* Obtain service principal permissions at the subscription level. 
 
 .Procedure